Luis Villarreal
San Diego,CA
Summary
Dedicated Lab Technician with over four years of hands-on experience in semiconductor manufacturing at ASML, complemented by extensive U.S. Navy service in aviation equipment operations and maintenance. Expert in troubleshooting complex machinery, optimizing lab procedures for efficiency and safety, assembling critical components, and analyzing data to drive process improvements. Proven leader in training teams and collaborating with engineers and scientists on procedural updates. Transitioning to an engineering role to leverage technical expertise in high-precision testing, contamination control, and yield enhancement while contributing to innovative semiconductor solutions.
Overview
10
10
years of professional experience
Work History
Lab Technician 4
ASML San Diego
San Diego, California
05.2021 - Current
- Operated a high-pressure testing lab, focusing on rigorous testing and cleaning of semiconductor components to ensure quality and performance standards.
- Managed assembly lab operations, constructing complex sub-components essential for large-scale semiconductor prototypes, enhancing production accuracy and efficiency.
- Led reclaim and troubleshooting lab activities, executing problematic draining tests on tin-loaded modules returned from the field to recover valuable materials, and minimize company costs.
- Utilized specialized equipment including pressure drop tests, fusing tools, plasma closing tools, pressure proof tests, electronic testing machines, helium leak checkers, ultrasonic and megasonic baths, Werth measurement testers for nano-gram contamination detection, and auto-polishing machines.
- Conducted daily troubleshooting on all operated machinery, making swift decisions to resolve issues and maintain uninterrupted lab operations in a fast-paced environment.
- Participated in numerous procedural changes to streamline processes for long-term effectiveness; provided oversight, contributed to final edits, and implemented updates in collaboration with the engineering team.
- Delivered feedback on safety protocols and operational quality, ensuring compliance and reducing risks during lab activities.
- Performed daily tasks such as running complex machinery, analyzing and uploading performance data, coordinating with team members to address emerging issues, monitoring systems for anomalies, and completing scheduled maintenance.
- Navigated ongoing challenges including frequent procedure adaptations, real-time troubleshooting, data analysis, and mastering new testing and operational techniques.
- Trained approximately 10 team members across various lab areas, including machinery operation, adherence to new procedures, and best practices for safety and efficiency.
- Promoted from Lab Tech 2 to Lab Tech 3 in 07/2022 and to Lab Tech 4 in 10/2024 based on exceptional performance in troubleshooting, process improvements, and team leadership.
- Conducted routine tests on semiconductor materials for quality assurance.
- Assisted in training new technicians on equipment operation and safety practices.
- Prepared chemical solutions and reagents following strict safety protocols.
Aviation Boatswain's Mate, Equipment
US Navy
San Diego, CA
10.2018 - Current
- Prepared for underway operations by repairing, maintaining and stowing equipment.
- Trained and supervised personnel handling shipboard maintenance functions.
- Responded to onboard operational and medical emergencies with calm, level-headed approach.
- Adhered to all safety protocols, including assessing weather variables to promote passenger and vessel safety.
- Used troubleshooting methods to identify issues with mechanical tools.
- Followed all marine regulations applicable to planned route locations.
- Used measuring tools such as depth gauges to verify safety of planned navigational routes.
- Maintained peak performance in varying conditions and researched weather, wind, current and tide conditions to avoid and manage issues.
- Stood watch to manage operating conditions and handle risks arising during deployment voyages.
- Performed various marine duties such as checking for oil spills and other pollutants around ports, harbors and beaches.
- Oversaw ship operations during travel and kept watch for hazards.
- Inspected equipment and completed basic repairs to maintain safety and efficiency of each trip.
- Adhered to safety protocols when launching, operating and landing large marine craft to protect crew, equipment and vessels.
- Created nautical maps and provided assistance in maritime rescue operations.
- Eliminated machine defects by recommending operational adjustments.
- Trained crew members on medical emergencies.
- Mentored and coached junior staff members by giving positive feedback and constructive criticism.
- Conducted research to test and analyze equipment and system feasibility, design, operation and performance.
- Read gauges to verify sufficient levels of hydraulic fluid, air pressure and oxygen.
- Tested, repaired and updated equipment systems and components to meet current and expected demands.
- Monitored equipment during testing, simulations and live-fire exercises to detect operator errors or system malfunctions.
- Worked closely with team members to deliver project requirements, develop solutions and meet deadlines.
- reason for leaving: looking for better and long term opportunities as a civilian
Sales /Front Desk Manager
Acme Tops & Tunes
Sacramento, CA
02.2017 - 09.2018
- Oversaw cash and credit card payment transactions at the front desk.
- Handled payment processing and provided customers with receipts and proper bills and change.
- Corrected guest issues promptly with knowledgeable and friendly service.
- Replied to telephone, email and in-person inquiries regarding guest concerns.
- Managed customer complaints and rectified issues to complete satisfaction.
- Mentored new staff on correct procedures, compliance requirements and performance strategies.
- Managed tasks and responsibilities for front office employees when the team was understaffed.
- Developed lasting relationships with guests that built loyalty and drove in revenue.
- Addressed and welcomed large volume of guests to business per day, improving overall customer service and engagement.
- Arranged special accommodations for guests to maintain optimal satisfaction.
- Maintained accurate bookkeeping of important files and ran reports and delivered updates on occupancy and revenues to supervisor.
- reason for leaving: shipped off to basic training in great lakes, Illinois
Sous Chef
savory filipino restaurant
Sacramento, CA
04.2016 - 03.2018
- Trained kitchen workers on culinary techniques.
- Supervised all kitchen food preparation in demanding, high-volume environment.
- Assessed inventory levels and placed orders to replenish goods before supplies depleted.
- Helped staff adhere to tough restaurant requirements through practical discipline and motivation.
- Conducted frequent line checks to keep food at proper temperatures in holding zones.
- Maintained highest food quality standards regarding food inventory procedures, food storage and rotation.
- reason for leaving: balancing college and 2 jobs was starting to become difficult
Line Cook
Cilantros Mexican Restaurant
Sacramento, CA
10.2015 - 03.2016
- Sanitized food preparation areas, grills and equipment to avoid cross-contamination from raw items.
- Kept stations stocked and ready for use to maximize productivity.
- Followed proper food handling methods and maintained correct food temperature for high scores on health inspections.
- Maintained hygienic kitchen by regularly mopping, disinfecting workspace and washing all utensils and glassware.
- Set up and performed initial prep work for food items such as soups, sauces and salads.
- Conducted daily inspections and maintained food sanitation and kitchen equipment safety reports.
- Marinated food items according to corporate-provided instructions and recipes.
- Precooked garnishes for later use to top off fresh dishes.
- Cooked multiple orders simultaneously during busy periods.
- Mentored and trained staff by teaching cooking skills and kitchen maintenance, improving overall quality and performance.
- reason for leaving: was searching for a more flexible schedule while going to college
Education
High School Diploma -
Elk Grove High School
Elk Grove, CA05.2015
Some College (No Degree) -
Sacramento City College
Sacramento, CASkills
- Safety equipment
- Heavy equipment management
- Safety management
- Engine and winch operation
- Ship terminology
- Ship navigation
- Engine operations
- Marine craft operation
- Vessel security and maintenance
- Sheave damper and arresting gear engine device proficiency
- Marine safety procedures
- Deck and boat seamanship
- Regulation compliance
- Maintenance report reading and interpretation
- Flight deck machinery maintenance
- Proficient with tools
- Arresting gear engine, sheave damper, topside troubleshooting experience
- Fluent in Spanish
- Maintenance blueprinting
- Clean room certified
- Swagelok certified
- Troubleshooting complex lab equipment
- Operating semiconductor testing and assembly tools
- Process optimization and procedural changes
- Data analysis and reporting
- Safety management and compliance
- Heavy equipment management
- Sensors and electronic testing
- Engine and machinery operations
- Vessel security and maintenance, transferable to lab asset management
- Regulation compliance
- Maintenance report reading and interpretation
- Flight deck machinery maintenance, analogous to high-precision systems
- Proficient with tools
- Arresting gear engine, sheave damper, and topside troubleshooting experience
- Proficient in AI
Military Qualifications
- Airwarfare qualified
- basic and advanced damage control training certified
- On scene leader qualified
- small arms training qualified
- work center supervisor
- 3M qualified
- basic seamanship qualified
- bilingual
- leadership experienced
- CPR Certified
- fire watch
- messenger of the watch
- flight deck familiarization
- repair parts petty officer
- team leader
- chemical, biological, and radiological defense
- basic first aid qualified
Timeline
Lab Technician 4
ASML San Diego
05.2021 - Current
Aviation Boatswain's Mate, Equipment
US Navy
10.2018 - Current
Sales /Front Desk Manager
Acme Tops & Tunes
02.2017 - 09.2018
Sous Chef
savory filipino restaurant
04.2016 - 03.2018
Line Cook
Cilantros Mexican Restaurant
10.2015 - 03.2016
High School Diploma -
Elk Grove High School
Some College (No Degree) -
Sacramento City College